EP3737209A4 - Induction heating apparatus having improved interference noise cancellation and output control functions - Google Patents

Induction heating apparatus having improved interference noise cancellation and output control functions Download PDF

Info

Publication number
EP3737209A4
EP3737209A4 EP18897908.2A EP18897908A EP3737209A4 EP 3737209 A4 EP3737209 A4 EP 3737209A4 EP 18897908 A EP18897908 A EP 18897908A EP 3737209 A4 EP3737209 A4 EP 3737209A4
Authority
EP
European Patent Office
Prior art keywords
output control
induction heating
heating apparatus
control functions
noise cancellation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18897908.2A
Other languages
German (de)
French (fr)
Other versions
EP3737209B1 (en
EP3737209A1 (en
Inventor
Jae-Woo Lee
Byeong Wook Park
Dooyong Oh
Seungbok OK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3737209A1 publication Critical patent/EP3737209A1/en
Publication of EP3737209A4 publication Critical patent/EP3737209A4/en
Application granted granted Critical
Publication of EP3737209B1 publication Critical patent/EP3737209B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/4815—Resonant converters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/08—Control, e.g. of temperature, of power using compensating or balancing arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Inverter Devices (AREA)
  • General Induction Heating (AREA)
EP18897908.2A 2018-01-03 2018-11-28 Induction heating apparatus having improved interference noise cancellation and output control functions Active EP3737209B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180000947A KR102040219B1 (en) 2018-01-03 2018-01-03 Induction heating device having improved interference noise canceling function and power control function
PCT/KR2018/014880 WO2019135491A1 (en) 2018-01-03 2018-11-28 Induction heating apparatus having improved interference noise cancellation and output control functions

Publications (3)

Publication Number Publication Date
EP3737209A1 EP3737209A1 (en) 2020-11-11
EP3737209A4 true EP3737209A4 (en) 2021-09-01
EP3737209B1 EP3737209B1 (en) 2024-02-28

Family

ID=67144434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18897908.2A Active EP3737209B1 (en) 2018-01-03 2018-11-28 Induction heating apparatus having improved interference noise cancellation and output control functions

Country Status (4)

Country Link
US (1) US11533789B2 (en)
EP (1) EP3737209B1 (en)
KR (1) KR102040219B1 (en)
WO (1) WO2019135491A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200129002A (en) 2019-05-07 2020-11-17 엘지전자 주식회사 Induction heating device having improved interference noise canceling function and power control function
DE102019208122A1 (en) * 2019-06-04 2020-12-10 Audi Ag Method for operating an electrical circuit, electrical circuit and motor vehicle
EP4013191A1 (en) * 2020-12-11 2022-06-15 BSH Hausgeräte GmbH Induction cooking appliance
DE102022200166A1 (en) * 2022-01-10 2023-07-13 E.G.O. Elektro-Gerätebau GmbH Method and device for measuring power at an induction heating coil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953783A (en) * 1971-04-06 1976-04-27 Environment/One Corporation Low cast chopper inverter power supply and gating circuit therefor
JP2006331964A (en) * 2005-05-30 2006-12-07 Hitachi Appliances Inc Induction heating device
US7442907B2 (en) * 2003-10-30 2008-10-28 Matsushita Electric Industrial Co., Ltd. Induction heating cooking device
CN204518108U (en) * 2015-04-01 2015-07-29 佛山市顺德区美的电热电器制造有限公司 Electromagnetic Heating control circuit and electromagnetic appliance
EP3461229A1 (en) * 2017-09-22 2019-03-27 Electrolux Appliances Aktiebolag Induction cooking hob

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3604538B2 (en) * 1997-09-11 2004-12-22 株式会社東芝 Electromagnetic cooker
JP3884664B2 (en) * 2002-03-01 2007-02-21 松下電器産業株式会社 Induction heating device
KR100714558B1 (en) * 2006-02-13 2007-05-07 쿠쿠전자주식회사 High frequency inductive heating appliance for cooking
US8208851B2 (en) 2006-07-03 2012-06-26 Electronics And Telecommunications Research Institute Apparatus and method for relaying between base station and mobile station, and method for receiving control information
JP2010518550A (en) 2007-02-01 2010-05-27 ヴィーエムエフ ヴュルテンバーギッシュ メタルヴァーレンファグリク アーゲー Induction hob
KR200443587Y1 (en) * 2007-03-02 2009-02-26 쿠쿠전자주식회사 High frequency induction heating appliance for cooking with inverter type by phase locked loop method
KR101659001B1 (en) * 2009-07-22 2016-09-23 엘지전자 주식회사 Indution Heating Cooktop with a single inverter and Control Method thereof
JP5130310B2 (en) * 2010-03-17 2013-01-30 日立アプライアンス株式会社 GATE DRIVING CIRCUIT AND POWER CONVERSION DEVICE FOR VOLTAGE-DRIVEN SEMICONDUCTOR ELEMENT
KR101731478B1 (en) * 2015-06-22 2017-04-28 주식회사 효성 Power supply apparatus for sub-module of mmc converter
KR102382949B1 (en) 2015-12-23 2022-04-06 쿠쿠전자 주식회사 Induction heating cooker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953783A (en) * 1971-04-06 1976-04-27 Environment/One Corporation Low cast chopper inverter power supply and gating circuit therefor
US7442907B2 (en) * 2003-10-30 2008-10-28 Matsushita Electric Industrial Co., Ltd. Induction heating cooking device
JP2006331964A (en) * 2005-05-30 2006-12-07 Hitachi Appliances Inc Induction heating device
CN204518108U (en) * 2015-04-01 2015-07-29 佛山市顺德区美的电热电器制造有限公司 Electromagnetic Heating control circuit and electromagnetic appliance
EP3461229A1 (en) * 2017-09-22 2019-03-27 Electrolux Appliances Aktiebolag Induction cooking hob

Also Published As

Publication number Publication date
KR102040219B1 (en) 2019-11-04
WO2019135491A1 (en) 2019-07-11
EP3737209B1 (en) 2024-02-28
US20210204367A1 (en) 2021-07-01
KR20190083263A (en) 2019-07-11
EP3737209A1 (en) 2020-11-11
US11533789B2 (en) 2022-12-20

Similar Documents

Publication Publication Date Title
EP3737209A4 (en) Induction heating apparatus having improved interference noise cancellation and output control functions
EP3923597A4 (en) Noise cancellation device and method
GB2582372B (en) Noise control
GB2582374B (en) Noise control
EP3833225C0 (en) Cooking utensil for an induction cooktop and cooking system
EP3845032A4 (en) Induction heating device and method of controlling the same
EP3671042A4 (en) Heating apparatus and cooking apparatus including same
EP3582588A4 (en) Induction heating cooking device
EP3678453A4 (en) Induction heating and wireless power transmitting apparatus having improved control algorithm
EP3634087A4 (en) Electromagnetic induction heating cooker
EP3959466A4 (en) Heater and electromagnetic illuminator heater
EP4027755A4 (en) Induction heating apparatus
EP3786527A4 (en) Heating cooking device
EP3570636A4 (en) Induction heating cooker
EP3731597A4 (en) Induction heating device with improved interference noise elimination and output control functions
GB201901349D0 (en) Noise control
EP4132221A4 (en) Induction heating type cooktop
EP3740031A4 (en) Induction heating device with improved control algorithm
EP3858107A4 (en) Induction heating apparatus
EP3721754A4 (en) Induction heating cooker
EP3927114A4 (en) Induction heating cooker
EP3809801A4 (en) Induction heating cooker
EP3859968A4 (en) Control device and control method for induction motor
EP4132222A4 (en) Induction heating cooktop
EP3845031A4 (en) Induction heating device and method of controlling the same

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200803

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20210730

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 6/06 20060101AFI20210726BHEP

Ipc: H05B 6/12 20060101ALI20210726BHEP

Ipc: H02M 1/34 20070101ALI20210726BHEP

Ipc: H02M 1/32 20070101ALI20210726BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230926

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018066038

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D